This unique house, the only one of its kind in Brooklyn, was built as part of a real estate developer's showcase.

A Victorian cemetery in the heart of Brooklyn remains a popular mecca of morbid curiosity.

A whimsical, but often overlooked clock in Park Avenue.

The notorious headquarters of a corrupt political machine.

The only subway station in the city that still makes use of gap fillers.

A three-story copper skybridge connects two Manhattan buildings with Art Deco luxury.

Built by the patriotic residents of Boonsboro in a single day.

An 80-year-old plane tree is devouring an iron bench at Ireland's oldest law school.

Amidst the bustling streets of Dublin, there is a hushed garden that is dedicated to "All those who gave their lives in the cause of Irish Freedom."

The modern birthplace of Irish freedom.

The somber sculptures commemorating Irish Famine on the river Liffey in Dublin.

Dublin's most modern, visually spectacular bridge is modeled after Ireland's national emblem.

This courtly monument celebrates an influential comedian who turned taking the piss out of the powers-that-be into an art.

These gigantic skeletons tower over visitors and provide insight into the creatures that once ruled over Ireland.

Dublin's "Dead Zoo" serves as a window to Victorian museum design.

An enigmatic monument to the Irish revolutionary who plotted an uprising against British rule.

The house where the writer spent his formative years.

The 19th-century pharmacy (now a used bookstore) was featured in James Joyce’s "Ulysses," and has changed very little to this day.

The comedy and tragedy of Oscar Wilde is preserved in a Dublin park, captured in a sculpture of colorful stone.

This supermarket offers shoppers a window into the past alongside their groceries.

A statue in the center of Dublin dedicated to one of their favorite sons of rock & roll.

Every St. Andrews student knows to avoid this inscription for fear of a martyr's curse.

This sculpture of disembodied body parts forms a poignant memory of the horrors of World War II.

Neon artworks light up this dark Edinburgh tunnel.